STATE FATALITY DATA - 2023
Massachusetts: lower-rate fatality band
Massachusetts is in the lower per-capita third: 343 traffic deaths in 2023 at 4.9 per 100,000 (#51 of 51).
- 343
- Deaths (2023)
- 4.9
- Per 100k residents
- Well below average
- 0.6
- Per 100M VMT
- -92
- 2022–2023 deaths
Lower per-capita fatality band
Massachusetts ranks #51 of 51 by deaths per 100,000 residents (4.9/100k) - bottom-third rate among 51 states and D.C.
Massachusetts in the lower-rate third
According to NHTSA FARS, Massachusetts sits in the lower-rate third at 4.9 per 100k (#51 of 51), 60% below the U.S. 12.2 benchmark, with nighttime the largest contributing factor.
- #51 of 51
- lower-rate third
- 4.9/100k
- 2023 fatality rate
- #32/51
- by total FARS fatalities
- Nighttime
- leading contributing factor
NHTSA FARS milepost
Milepost MA · Massachusetts #51 of 51 · 4.9/100k
Massachusetts · 4.9/100k · 343 in 2023 · #51 of 51
- VS-US 4.9/100k
- PHOTO #51 of 51
- YOY 0.6/100M
- FARS 3,303 book
- NHTSA near New York
- MILE 25.0% spd
- BAND 20.3% ped
- POST -59.9% vs US
Stamps derive from this state's NHTSA FARS row (per-100k rate, corpus rank, VMT rate, fatality book, nearest-rate peer, alcohol/speeding/pedestrian shares, vs-national gap), not a trip-risk forecast. PlainRoadSafety is informational only. See our disclaimer. Verify with NHTSA FARS → · Read with methodology → · Understanding road fatality data → · States ranked →
Benchmarked against all 51 states (50 states + DC) on fatality rate, exposure-adjusted rate, pedestrian and impaired-driving fatality share, and safety trend from NHTSA FARS, US Census Bureau, and FHWA sources, not enforcement, infrastructure spend, or road-condition ratings.
Pedestrian-led roadside pattern in Massachusetts
After vehicle-to-vehicle crashes, Massachusetts's 2023 FARS first-harm leader is Pedestrian at 17.3%, a pedestrian-forward pattern relative to fixed-object states. Counts come from the NHTSA FARS accident microdata for 2023 (first harmful event, weather, light, route, and rural/urban setting), not from the seeded state rollup alone.
First harmful event
- Motor Vehicle In-Transport 32.5% · 111
- Pedestrian 17.3% · 59
- Tree (Standing Only) 11.4% · 39
- Guardrail Face 7.0% · 24
- Curb 6.7% · 23
Light condition
- Daylight 42.4% · 145
- Dark - Lighted 31.9% · 109
- Dark - Not Lighted 20.8% · 71
- Dusk 2.9% · 10
- Dawn 2.0% · 7
Roadway class
- State Highway 32.7% · 112
- Not Signed 32.2% · 110
- Interstate 16.1% · 55
- U.S. Highway 5.8% · 20
- Unknown/Not Reported 0.6% · 2
Weather at crash
- Clear 66.4% · 227
- Cloudy 21.9% · 75
- Rain 8.8% · 30
- Fog, Smog, Smoke 1.2% · 4
- Severe Crosswinds 0.6% · 2
Massachusetts rate neighbourhood
Deaths per 100,000 residents vs nearest-rate peer states (NHTSA FARS).
- Massachusetts
Massachusetts
5 per 100k
- New York
New York
6 per 100k
- District of …
District of Columbia
7 per 100k
- Hawaii
Hawaii
7 per 100k
- New Jersey
New Jersey
7 per 100k
- Rhode Island
Rhode Island
7 per 100k
What this shows Massachusetts sits among the five nearest fatality-rate peers on the per-100k scale.
Leading Causes of Fatalities
Contributing factors in Massachusetts road deaths (2015-2023). Categories overlap.
- Nighttime
Nighttime
49 % of fatalities
- Unrestrained
Unrestrained
40 % of fatalities
- Weather-Related
Weather-Related
26 % of fatalities
- Alcohol-Impaired
Alcohol-Impaired
25 % of fatalities
- Speeding
Speeding
25 % of fatalities
- Pedestrian
Pedestrian
20 % of fatalities
What this shows Nighttime is the top contributing cause in Massachusetts, involved in 48.6% of all road deaths. Note: categories overlap as a single crash may involve multiple factors.
Massachusetts vs all states by fatality rate
Where this state's deaths-per-100k sits among every state and D.C. on PlainRoadSafety
5 Among the safer states a lower per-capita rate than 98% of 51 states
States and D.C., banded by fatality rate per 100,000 residents
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source NHTSA FARS over Census population · 2026-09-03
Massachusetts can rank differently on each axis: population density pushes the per-capita rate one way, and rural-highway commute length pushes the per-mile rate another. Hover or tap any point (including Massachusetts's own, highlighted) for its exact figures.
Fatality Trend Analysis (2015–2023)
In the lower-rate third, Massachusetts moved from 344 deaths in 2015 to 343 in 2023 (-0.3%).
| Year | Fatalities | Rate | Alcohol | Speeding | Pedestrian |
|---|---|---|---|---|---|
| 2015 | 344 | 4.9 | 83 | 90 | 79 |
| 2016 | 387 | 5.5 | 124 | 124 | 78 |
| 2017 | 347 | 5.0 | 107 | 103 | 72 |
| 2018 | 355 | 5.1 | 118 | 91 | 77 |
| 2019 | 336 | 4.8 | 107 | 50 | 77 |
| 2020 | 343 | 4.9 | 88 | 77 | 52 |
| 2021 | 413 | 5.9 | 61 | 97 | 74 |
| 2022 | 435 | 6.2 | 62 | 104 | 95 |
| 2023 | 343 | 4.9 | 77 | 91 | 67 |
Worcester leads Massachusetts's county fatality book
Worcester County alone accounts for 14.6% of Massachusetts's 2,959 FARS fatalities over 2015-2023 (431 deaths); on a per-100k basis, Franklin sits higher at 9.9/100k.
| # | County | Total Fatalities | Trend |
|---|---|---|---|
| 1 | WORCESTER (27) | 431 | ↑ increasing |
| 2 | MIDDLESEX (17) | 410 | ↑ increasing |
| 3 | BRISTOL (5) | 353 | ↑ increasing |
| 4 | HAMPDEN (13) | 353 | ↑ increasing |
| 5 | NORFOLK (21) | 293 | ↑ increasing |
| 6 | PLYMOUTH (23) | 292 | ↑ increasing |
| 7 | ESSEX (9) | 281 | ↑ increasing |
| 8 | SUFFOLK (25) | 208 | ↑ increasing |
| 9 | BARNSTABLE (1) | 113 | ↑ increasing |
| 10 | BERKSHIRE (3) | 97 | ↑ increasing |
| 11 | HAMPSHIRE (15) | 65 | ↑ increasing |
| 12 | FRANKLIN (11) | 52 | ↑ increasing |
| 13 | DUKES (7) | 7 | ↔ stable |
| 14 | NANTUCKET (19) | 4 | ↔ stable |
States With Similar Fatality Rates
Among lower-rate peers, New York (5.7/100k) and District of Columbia (6.5/100k) bracket Massachusetts's 4.9 per 100k.
6 of 50 other states are shown here, ranked by closeness to Massachusetts's fatality rate.
Worcester County and related Massachusetts road data
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Worcester County road fatalities431 total FARS deaths in Massachusetts
- Middlesex County road fatalities410 total FARS deaths in Massachusetts
- Bristol County road fatalities353 total FARS deaths in Massachusetts
- Hampden County road fatalities353 total FARS deaths in Massachusetts
- Norfolk County road fatalities293 total FARS deaths in Massachusetts
- Plymouth County road fatalities292 total FARS deaths in Massachusetts
- Essex County road fatalities281 total FARS deaths in Massachusetts
- Suffolk County road fatalities208 total FARS deaths in Massachusetts
- Massachusetts year-over-year fatality changeRecent decrease in annual deaths
- Nighttime in MassachusettsLeading contributing factor on this state's FARS book
- Massachusetts alcohol-impaired share25.0% of this state's fatalities
- Massachusetts state fatality profileFull FARS state dashboard
Read our methodology - how this data is sourced, computed, and verified.